Austin Koestner, MS
NPI 1952118960 · Marriage & Family Therapist · Monrovia, CA
Austin Koestner, MS is a Marriage & Family Therapist provider in Monrovia, CA (NPI 1952118960).
Provider details
- NPI number
- 1952118960
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- MS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 152003 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-12-12
- Last updated
- 2024-12-24
- Certified
- 2024-12-24
Frequently asked questions
- What is Austin Koestner's NPI number?
- Austin Koestner's National Provider Identifier (NPI) is 1952118960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Austin Koestner's specialty?
- Austin Koestner is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Austin Koestner located?
- Austin Koestner's practice location on file with NPPES is 815 W Foothill Blvd, Monrovia, CA 91016-1913.
- What is Austin Koestner's phone number?
- The practice phone number listed in the NPPES registry for Austin Koestner is (909) 333-5578.
- Is Austin Koestner's NPI active?
- Yes — Austin Koestner's NPI (1952118960) is active in the NPPES registry as of the last update on 2024-12-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.